The Size Of FBX, Facebook’s Ad Exchange – Business Insider

Some latest FBX stats:

AppNexus is quickly ramping up on the Facebook Exchange, where it is one of approximately 15 real-time bidding partners. It now has exposure to 7 billion daily impressions on FBX, up from zero in July — a large and important new inventory source. (via The Size Of FBX, Facebook’s Ad Exchange – Business Insider.)